CN113193340B - Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material - Google Patents
Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material Download PDFInfo
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- CN113193340B CN113193340B CN202110381385.0A CN202110381385A CN113193340B CN 113193340 B CN113193340 B CN 113193340B CN 202110381385 A CN202110381385 A CN 202110381385A CN 113193340 B CN113193340 B CN 113193340B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
Abstract
The invention discloses a Beidou light and small-sized multi-arm measurement type antenna based on an FPC (flexible printed circuit) flexible material, which comprises a shell, a base mechanism, a medium support body, a spiral radiator I, a spiral radiator II, a ground plate and a plurality of feed mechanisms, wherein the base mechanism is arranged at the lower part of the medium support body, the ground plate is arranged at the upper part of the medium support body, the spiral radiator I and the spiral radiator II are arranged at the upper part of the ground plate, the feed mechanisms are uniformly distributed around the ground plate in an annular shape, and the bottom of the shell is detachably connected with the medium support body. The invention is provided with a first resonant high-frequency arm and a second resonant high-frequency arm which are circularly wound into a spiral shape, so that the volume of the antenna can be reduced, and meanwhile, the working bandwidth and the gain of the device are improved by adopting the medium support body with low dielectric constant.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a light and small Beidou multi-arm measuring antenna based on FPC (flexible printed circuit) flexible materials.
Background
Along with big dipper navigation orientation module's rapid development, in order to can satisfy compatible multisystem multi-frequency point GNSS terminal equipment's application demand, especially to present wearable, hand-held type, unmanned aerial vehicle etc. decimeter level, centimetre level, the supporting antenna application demand of millimeter level navigation orientation terminal module and equipment, not only will satisfy high performance, high efficiency, the stable receipt of many gestures to the requirement of antenna, the structure still will satisfy design demands such as light and small, flexibility, portable moreover.
The existing helical antenna is structurally large in processing difficulty, high in cost, easy to deform in assembly, extremely poor in vibration resistance of the whole product, and difficult to adapt to rapid development of modern wireless communication technology. In terms of performance, the emission direction is not wide enough, the precision is poor, and the stability is poor.
Disclosure of Invention
The invention aims to provide a light and small Beidou multi-arm measuring antenna based on an FPC (flexible printed circuit) flexible material, which has the advantages of simple structure, simple assembly, stable structure and good consistency, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the Beidou light and small multi-arm measurement type antenna based on the FPC flexible material comprises a shell, a base mechanism, a medium support body, a first spiral radiating body, a second spiral radiating body, a ground plate and a plurality of feed mechanisms, wherein the base mechanism is arranged at the lower part of the medium support body; the quantity of feed mechanism is 4 groups, feed mechanism includes feed hole, feed matching body one, feed matching body two and reinforcement picture peg, the feed hole is seted up on the ground plate, feed matching body one and feed matching body two respectively with corresponding feed hole electric connection.
Preferably, the bottom of the medium supporting plate is provided with a plurality of fixing holes.
Preferably, the base mechanism includes connecting block and fixed block, connecting portion are connected bottom the fixed part, the upper portion of fixed block is provided with the spliced pole that matches with the fixed orifices.
Preferably, the first spiral radiator comprises a plurality of first resonant high-frequency arms, the second spiral radiator comprises a plurality of second resonant high-frequency arms, and the first resonant high-frequency arms and the second resonant high-frequency arms are spirally distributed on the upper portion of the grounding plate respectively.
Preferably, the dielectric support is a cylindrical structure, and the dielectric support is made of a low dielectric constant material.
Preferably, the number of the first resonant high-frequency arm and the second resonant high-frequency arm is 4, and the first resonant high-frequency arm and the second resonant high-frequency arm are made of FPC materials.
Preferably, the ratio of the total amount of the components is set to be zero.
Preferably, the first feeding matching body and the second feeding matching body are both bridge couplers, and the models of the first feeding matching body and the second feeding matching body are both RCP150Q 03.
Preferably, the ground plate is provided with 4 connection points, and the connection points are symmetrically distributed between two adjacent feed holes; the 4 first resonant high-frequency arms and the 4 second resonant high-frequency arms are respectively connected with the corresponding feed holes and the corresponding connection points.
Preferably, the bottom of the grounding plate is provided with a radiation line, so that the grounding plate is conveniently connected with an external additional reactance element, the resonant frequency of the antenna is adjusted, and the consistency of the device is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a first resonant high-frequency arm and a second resonant high-frequency arm which are wound into a spiral shape, so that the volume of the antenna can be reduced, and meanwhile, a medium support body with a low dielectric constant is adopted, so that the working bandwidth and the gain of the device are improved;
2. the invention is also provided with the reinforcing plugboard which is inserted into the feed hole through the reinforcing plugboard eraser, so that the firmness of the feed point is increased and the vibration resistance and the reliability of the device in acceleration and falling are improved after the welding and the fixing.
Drawings
FIG. 1 is a cross-sectional view of the whole structure of a light and small Beidou multi-arm measurement type antenna based on an FPC flexible material;
FIG. 2 is a schematic view of a top view structure of the FPC-based small and light Beidou multi-arm measurement type antenna without a housing;
fig. 3 is a schematic diagram of a front structure of the grounding plate according to the present invention;
FIG. 4 is a schematic view of the reverse structure of the grounding plate of the present invention;
FIG. 5 is a circuit diagram of the present invention;
fig. 6 is a schematic diagram of a signal combining process according to the present invention.
In the figure: 100. a housing; 101. a base mechanism; 1011. connecting blocks; 1012. a fixed block; 102. a media support; 1021. a fixing hole; 103. a first spiral radiator; 1031. a resonant high-frequency arm I; 1032. a second resonant high-frequency arm; 104. a spiral radiator II; 105. a ground plate; 106. a feeding mechanism; 1061. a feed hole; 1062. a feed matching body I; 1063. a second feed matching body; 1064. a reinforcing plug board; 107. and connecting points.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: the light and small Beidou multi-arm measurement type antenna based on the FPC flexible material comprises a shell 100 and a base mechanism 101, and further comprises a dielectric support body 102, a first spiral radiator 103, a second spiral radiator 104, a ground plate 105 and a plurality of feed mechanisms 106, wherein the base mechanism 101 is arranged on the lower portion of the dielectric support body 102, the ground plate 105 is arranged on the upper portion of the dielectric support body 102, the first spiral radiator 103 and the second spiral radiator 104 are arranged on the upper portion of the ground plate 105, the feed mechanisms 106 are uniformly distributed around the ground plate 105 in an annular mode, and the bottom of the shell 100 is connected with the dielectric support body 102 through bolts.
The bottom of the medium support 102 is provided with a plurality of fixing holes 1021.
The base mechanism 101 comprises a connecting block 1011 and a fixing block 1012, the connecting block 1011 is connected with the bottom of the fixing block 1012, and a connecting column matched with the fixing hole 1021 is arranged on the upper part of the fixing block 1012.
The first spiral radiator 103 includes a plurality of first resonant high-frequency arms 1031, the second spiral radiator 104 includes a plurality of second resonant high-frequency arms 1032, and the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 are spirally distributed on the upper portion of the ground plate 105 respectively.
The dielectric support 102 is a cylindrical structure, and the dielectric support 102 is made of HOSP material with low dielectric constant.
The number of the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 is 4, and the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 are made of FPC materials.
The number of the feeding mechanisms 106 is 4, the feeding mechanism 106 includes a feeding hole 1061, a first feeding matching body 1062, a second feeding matching body 1063 and a reinforcing insertion plate 1064, the feeding hole 1061 is formed in the ground plate 105, and the first feeding matching body 1062 and the second feeding matching body 1063 are electrically connected to the corresponding feeding hole 1061 respectively.
The first feeding matching body 1062 and the second feeding matching body 1063 are both bridge couplers, and the models of the first feeding matching body 1062 and the second feeding matching body 1063 are both RCP150Q 03.
The ground plate 105 is provided with 4 connection points 107, the connection points are symmetrically distributed between two adjacent feed holes 1061, and the 4 first resonant high-frequency arms 1031 and the 4 second resonant high-frequency arms 1032 are respectively connected with the corresponding feed holes 1061 and the connection points 107.
Example 2
Referring to fig. 1-6, the present invention provides a technical solution: the light and small Beidou multi-arm measurement type antenna based on the FPC flexible material comprises a shell 100 and a base mechanism 101, and further comprises a dielectric support body 102, a first spiral radiator 103, a second spiral radiator 104, a ground plate 105 and a plurality of feed mechanisms 106, wherein the base mechanism 101 is arranged on the lower portion of the dielectric support body 102, the ground plate 105 is arranged on the upper portion of the dielectric support body 102, the first spiral radiator 103 and the second spiral radiator 104 are arranged on the upper portion of the ground plate 105, the feed mechanisms 106 are uniformly distributed around the ground plate 105 in an annular mode, and the bottom of the shell 100 is connected with the dielectric support body 102 through bolts.
The bottom of the medium support 102 is provided with a plurality of fixing holes 1021.
The base mechanism 101 comprises a connecting block 1011 and a fixing block 1012, the connecting block 1011 is connected with the bottom of the fixing block 1012, and a connecting column matched with the fixing hole 1021 is arranged on the upper part of the fixing block 1012.
The first spiral radiator 103 includes a plurality of first resonant high-frequency arms 1031, the second spiral radiator 104 includes a plurality of second resonant high-frequency arms 1032, and the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 are spirally distributed on the upper portion of the ground plate 105 respectively.
The dielectric support 102 is a cylindrical structure, and the dielectric support 102 is made of HOSP material with low dielectric constant.
The number of the first resonance high-frequency arm 1031 and the second resonance high-frequency arm 1032 is 4 respectively, and the first resonance high-frequency arm 1031 and the second resonance high-frequency arm 1032 are made of FPC materials.
The number of the feeding mechanisms 106 is 4, the feeding mechanism 106 includes a feeding hole 1061, a first feeding matching body 1062, a second feeding matching body 1063 and a reinforcing insertion plate 1064, the feeding hole 1061 is formed in the ground plate 105, and the first feeding matching body 1062 and the second feeding matching body 1063 are electrically connected to the corresponding feeding hole 1061 respectively.
The first feeding matching body 1062 and the second feeding matching body 1063 are both bridge couplers, and the models of the first feeding matching body 1062 and the second feeding matching body 1063 are both RCP150Q 03.
The ground plate 105 is provided with 4 connection points 107, the connection points are symmetrically distributed between two adjacent feed holes 1061, and the 4 first resonant high-frequency arms 1031 and the 4 second resonant high-frequency arms 1032 are respectively connected with the corresponding feed holes 1061 and the connection points 107.
The bottom of the grounding plate 105 is provided with a radiation line, which is convenient for connecting with an external additional reactance element, adjusting the resonance frequency of the antenna and ensuring the consistency of the device.
The working principle is as follows: when the antenna is used, the 4 first resonant high-frequency arms 1031 and the 4 second resonant high-frequency arms 1032 are arranged and are wound in a spiral shape, the size of the antenna can be reduced, the reinforcing insertion plate 1064 is arranged and is inserted into the feed hole 1061 through the reinforcing insertion plate 1064, the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 are welded on the grounding plate 105, the strength of a connecting block 1011 is increased, the shock resistance and the reliability of the antenna are improved, the base mechanism 101 is arranged, the connecting column matched with the fixing hole 1021 is arranged on the upper portion of the fixing block 1012, the connecting column is inserted into the connecting hole to fix the medium supporting body 102, the shell 100 is connected with the medium supporting body 102 through bolts, the shell 100 can play a role in protection, and the first resonant high-frequency arms 1031 and the second resonant high-frequency arms 1032 in the shell are prevented from being damaged by external impact.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material, shell (100) and base mechanism (101), its characterized in that: the antenna is characterized by further comprising a medium support body (102), a first spiral radiator (103), a second spiral radiator (104), a ground plate (105) and a plurality of feed mechanisms (106), wherein the base mechanism (101) is arranged on the lower portion of the medium support body (102), the ground plate (105) is arranged on the upper portion of the medium support body (102), the first spiral radiator (103) and the second spiral radiator (104) are arranged on the upper portion of the ground plate (105), the feed mechanisms (106) are uniformly distributed around the ground plate (105) in an annular mode, and the bottom of the shell (100) is detachably connected with the medium support body (102);
the bottom of the medium support body (102) is provided with a plurality of fixing holes (1021);
the base mechanism (101) comprises a connecting block (1011) and a fixing block (1012), the connecting block (1011) is connected with the bottom of the fixing block (1012), and a connecting column matched with the fixing hole (1021) is arranged at the upper part of the fixing block (1012);
the quantity of feed mechanism (106) is 4 groups, feed mechanism (106) are including feed hole (1061), feed matching body (1062), feed matching body two (1063) and reinforcement picture peg (1064), feed hole (1061) is seted up on ground plate (105), feed matching body one (1062) and feed matching body two (1063) respectively with corresponding feed hole (1061) electric connection.
2. The light small-sized multi-arm measurement type Beidou antenna based on FPC flexible materials according to claim 1, characterized in that: the first spiral radiator (103) comprises a plurality of first resonant high-frequency arms (1031), the second spiral radiator (104) comprises a plurality of second resonant high-frequency arms (1032), and the first resonant high-frequency arms (1031) and the second resonant high-frequency arms (1032) are spirally distributed on the upper portion of the grounding plate (105) respectively.
3. The light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material of claim 1 characterized in that: the medium support body (102) is of a cylindrical structure, and the medium support body (102) is made of HOSP material with a low dielectric constant.
4. The light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material of claim 2 characterized in that: the number of the first resonance high-frequency arm (1031) and the second resonance high-frequency arm (1032) is 4 respectively, and the first resonance high-frequency arm (1031) and the second resonance high-frequency arm (1032) are made of FPC materials.
5. The light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material of claim 1 characterized in that: the first feeding matching body (1062) and the second feeding matching body (1063) are both bridge couplers, and the models of the first feeding matching body (1062) and the second feeding matching body (1063) are both RCP150Q 03.
6. The light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material of claim 2 characterized in that: the grounding plate (105) is provided with 4 connection points (107), the connection points are symmetrically distributed between two adjacent feed holes (1061), and the 4 first resonant high-frequency arms (1031) and the 4 second resonant high-frequency arms (1032) are respectively connected with the corresponding feed holes (1061) and the connection points (107).
7. The light small-size multi-arm measurement type antenna of big dipper based on FPC flexible material of claim 1 characterized in that: the bottom of the grounding plate (105) is provided with a radiation line, so that the antenna can be conveniently connected with an external additional reactance element, the resonant frequency of the antenna is adjusted, and the consistency of the device is ensured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110381385.0A CN113193340B (en) | 2021-04-09 | 2021-04-09 | Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material |
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| CN202110381385.0A CN113193340B (en) | 2021-04-09 | 2021-04-09 | Light and small Beidou multi-arm measurement type antenna based on FPC (flexible printed circuit) flexible material |
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| CN113193340A CN113193340A (en) | 2021-07-30 |
| CN113193340B true CN113193340B (en) | 2022-07-19 |
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Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2485084B (en) * | 2009-07-02 | 2014-10-01 | Elektrobit Wireless Comm Oy | Multiresonance helix antenna |
| CN204118245U (en) * | 2014-08-25 | 2015-01-21 | 深圳市华信天线技术有限公司 | Helical antenna |
| CN105552546A (en) * | 2016-01-29 | 2016-05-04 | 惠州硕贝德无线科技股份有限公司 | Small-sized big dipper antenna |
| CN206789691U (en) * | 2017-02-17 | 2017-12-22 | 常州仁千电气科技股份有限公司 | The cylindrical four arm spiral Beidou antennas of one kind miniaturization |
| CN207217759U (en) * | 2017-08-28 | 2018-04-10 | 深圳市华信天线技术有限公司 | Four-arm spiral antenna |
| CN108155460B (en) * | 2017-11-30 | 2023-09-29 | 福州大学 | Double-frequency omni-directional coupling support-section loaded spiral antenna and manufacturing method thereof |
| CN108091995B (en) * | 2018-01-25 | 2023-09-22 | 电信科学技术第一研究所有限公司 | Eight-arm spiral circular polarization dual-frequency antenna suitable for laser direct structuring technology |
| CN208127415U (en) * | 2018-01-25 | 2018-11-20 | 电信科学技术第一研究所有限公司 | A kind of eight arm spiral circular polarisation dual-band antennas suitable for laser direct structuring technique |
| CN109037889A (en) * | 2018-05-31 | 2018-12-18 | 西安雷擎电子科技有限公司 | For interfering the transmitting antenna of Navigation of Pilotless Aircraft signal |
| CN208723088U (en) * | 2018-08-13 | 2019-04-09 | 深圳市天地星联通信科技有限公司 | A kind of spiral high-precision antenna |
| CN110313104B (en) * | 2018-10-31 | 2021-09-28 | 深圳市大疆创新科技有限公司 | Helical antenna and communication device |
| CN209357913U (en) * | 2018-12-29 | 2019-09-06 | 深圳市天地星联通信科技有限公司 | A kind of high precision double frequency antenna |
| CN209344308U (en) * | 2019-01-30 | 2019-09-03 | 北京偶极通信设备有限责任公司 | Double frequency high-gain circular polarized antenna |
| CN210430077U (en) * | 2019-09-11 | 2020-04-28 | 西安矩阵无线科技有限公司 | Composite material spiral antenna spiral arm supporting structure |
| CN111342220A (en) * | 2020-01-13 | 2020-06-26 | 深圳市天地星联通信科技有限公司 | High-precision Beidou multi-arm spiral antenna receiving device |
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Effective date of registration: 20230724 Address after: Room 1208, Weishi Building, Building 1, No. 39 Xueyuan Road, Haidian District, Beijing, 100080 Patentee after: Beijing Tianhua Aerospace Technology Co.,Ltd. Address before: 300300 Tianjin city Dongli District North Road No. 2898 Patentee before: CIVIL AVIATION University OF CHINA |